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Find if angles are valid to form a triangle

Sivan’s is teaching his son Vigneshwaran his daily lessons in their home. Vigneshwaran’s mathematics homework note had a question named Mad angles where he need to check if some angles are given it is valid one to form a triangle.

To make his son understand the problem sivan panned to write a simple programming logic for the same.

Functional Description:
The angles are valid to form a triangle if:
Sum of all three angles are equal to 180 degree as well as angle1, angle2 and angle3 > 0

#include <stdio.h>
int main()
{
    int angle1,angle2,angle3,sumofangles;
    scanf("%d%d%d",&angle1,&angle2,&angle3);
    sumofangles=angle1+angle2+angle3;
    if(sumofangles==180){
        printf("Angles are valid");
    }
    else{
        printf("Angles are not valid");
    }

	return 0;
}

INPUT_1:
90
55
35

OUTPUT:
Angles are valid

INPUT_2:
67
49
54

OUTPUT:
Angles are not valid

Morae! Q