Mini calendar C language

I am almost done with my code but whenever I try to test it, it displays this error:
error: ‘else’ without a previous ‘if’. However, when I look at other codes here in the forum, they all look the same as the way I wrote it. Can someone help me figure out what is wrong?

#include <stdio.h> #include <stdbool.h> bool is_leap_year(int year){ //year not divisible by 4 is NOT leap if(year % 4 != 0){ return false; } //year divisible by 4 and not divisible by 100 IS leap else if(year % 100 != 0){ return true; } //year divisible by 400 IS leap else if(year % 400 != 0){ return false; } else return true; } int days_in_month[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; void add_days_to_date(int* mm, int* dd, int* yy, int days_left_to_add){ int days_left_in_month; //how many days can be added before month ends while (days_left_to_add > 0){ int days_left_in_month = days_in_month[*mm] - *dd; //if is leap year, increase february to 29 days if (days_in_month[2] && is_leap_year(*yy) == true){ days_left_in_month ++; } if(days_left_to_add > days_left_in_month){ days_left_to_add -= days_left_in_month + 1; *dd = 1; } if(*mm == 12){ *mm = 1; *yy = *yy + 1; } else{ *mm = *mm + 1; } else{ *dd = *dd + days_left_to_add; days_left_to_add = 0; } } } int main() { /* int year; //ask to input year printf("input a number between 1800 and 10000: \n"); //scan for year inputed scanf("%i", &year); //check to see if input is a leap year if (is_leap_year(year) == true) printf("Leap Year\n"); else printf("Not Leap Year\n"); */ int mm; int dd; int yy; int days_left_to_add; printf("Please enter a date between the years 1800 and 10000 in the format mm dd yy and provide the number of days to add to this date\n"); scanf("%i%i%i%i", &mm, &dd, &yy, &days_left_to_add); add_days_to_date(&mm, &dd, &yy, days_left_to_add); printf("%i%i%i\n", mm, dd, yy); }

The error refers to the `else` on line 41. Which `if` does it belong with?

Hint

Look at line 33. What is that curly brace closing?

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Oh! That makes sense, I closed the if else before adding the else statement. Thank you!

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