3 lati di un triangolo senconda parte

#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char *argv[]) {
    int latoa,latob,latoc,scaleno,iscocele,equilatero,b,a,c;
    printf("latoa");
    scanf("%d",&latoa);
    printf("latob");
    scanf("%d",&latob);
    printf("latoc");
    scanf("%d",&latoc);
    if(a-b<c)
    {
    printf("scaleno");
    }
    else
    if(b+c<a)
    {
    printf("iscoscele");
    }
    else
    printf("equilatero");

    return 0;
}