#include <stdio.h>
 
 
int isTriangle(int a, int b, int c) {
    if ((a + b)>c ||(a + c) >b ||(b+c)> a) {
        return 1; 
    } else {
        return 0; 
    }
}
 
int main() {
    if (isTriangle(12, 20, 7)) {
    } else {
    }
 
    return 0;
}
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