#include<stdio.h> int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); int t; // if(a>b){ t=a; a=b; b=t; } if(a>c){ t=a; a=c; c=t; } if(b>c){ t=b; b=c; c=t; } if(a+b<=c){ printf("Not triangle"); }else{ if(aa+bbcc){ printf("Right triangle\n"); } if(aa+bb>cc){ printf("Acute triangle\n"); } if(aa+bb<c*c){ printf("Obtuse triangle\n"); } if(ab||bc){ printf("Isosceles triangle\n"); } if(ab&&b==c){ printf("Equilateral triangle"); } } return 0; }