#include<stdio.h>
int main()
{
    int a,b,c;
    printf("enter the value of a b c");
    scanf("%n",a,b,c);
    if(a=b=c);
    {
        printf("Equilateral");
    }
    elseif(a=b,a=c,b-c);
    {
        printf("Isosceles");
    }
    elseif(a!=b!=c);
    {
        printf("Scalene");
    }
    else
    {
        printf("Invalid Input\n");
    }
    return 0;
}