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