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

int main()
{
    int a, b, c;
    
    printf("Chuong trinh tinh chu vi ba canh cua tam giac\n");
    printf("Moi ban nhap canh thu nhat: ");
    scanf("%d", &a);
    printf("Moi ban nhap canh thu nhat: ");
    scanf("%d", &b);
    printf("Moi ban nhap canh thu nhat: ");
    scanf("%d", &c);
    printf("Chu vi cua tam giac la %d", a+b+c);
    
    return 0;