Help me in solving RCPITCP23 problem

help
,
1

My issue

What errors

My code

// Write complete code to print the sum of 12 and 7
#include<stdio.h>
int main 
{
    printf("sum=%d",12+7);
}

Learning course: Learn C Programming
Problem Link: https://www.codechef.com/learn/course/rcpit-programming-c/RCPITLPC04/problems/RCPITCP23