Triangle

// C program to input angles of a triangle and check whether triangle is valid or not.

#include<stdio.h>
int main(){

int A1,A2,A3,total;
printf("INPUT THE ANGLES :");
scanf("%d%d%d",&A1,&A2,&A3);
total=A1+A2+A3;
if(total == 180 && A1 != 0 && A2 != 0&& A3 != 0 )
{
    printf("Triangle is valid\n");
}
else printf("Triangle is not valid\n");

return 0;

}