Eashrat's Problem

#include <stdio.h>
#include <string.h>
int main() {
    char str[100];
    char str2[100];
    gets(str);
    gets(str2);
    int i = 0;
    int flagSTR = 0, flagSTR2 = 0;
    while (str[i] != '\0' && str2[i] != '\0') {
        if (str[i] < str2[i]) {
            //printf("str2 smaller than str\n");//
            // printf("%s\n", str);
            flagSTR = 1;
            break;
        } else if (str[i] > str2[i]) {
            // printf("str smaller than str2\n");//
            // printf("%s\n", str2);
            flagSTR2 = 1;
            break;
        }
        i++;
    }

    int len1 = strlen(str);
    int len2 = strlen(str2);

    if (flagSTR == 0 && flagSTR2 == 0 && len1 == len2) {
        printf("str & str2 equal\n");
    } else if(flagSTR == 0 && flagSTR2 == 0 && len1 < len2) {
        printf("%s\n", str);
        printf("str smaller than str2\n");
    } else if(flagSTR == 0 && flagSTR2 == 0 && len2 < len1) {
        printf("%s\n", str);
        printf("str2 smaller than str\n");
    } else if (flagSTR == 1 && flagSTR2 == 0) {
        printf("%s\n", str);
        printf("str smaller than str2\n");
    } else if (flagSTR2 == 1 && flagSTR == 0) {
        printf("%s\n", str2);
        printf("str2 smaller than str\n");
    }
    return 0;
}