#include <stdio.h>
#define MAX_SIZE 100
int main()
{
    int text1[MAX_SIZE],text2[MAX_SIZE];
    int i,j;
    printf("Input string1:");
    gets(text1);
    printf("Input string2:");
    gets(text2);
    i=0;
    while(text1[i]!=0){
        i++;
    }
    j=0;
    while(text2[j]!=0){
        text1[i]=text2[j];
        i++;
        j++;
    }
    text1[i]='\0';
    printf("Concatenated string: %s\n",text1);

    return 0;
}