// Online C compiler to run C program online
#include <stdio.h>

int main() {
    // Write C code here
    printf("Try programiz.pro");
    
    #if defined __STDC_VERSION__
    if(__STDC_VERSION__ == 202000)
        printf("We are using C23!\n");
    else if (__STDC_VERSION__ == 201710L)
        printf("We are using C17!\n");
    else if (__STDC_VERSION__ == 201112L)
        printf("We are using C11!\n");
    else if (__STDC_VERSION__ == 199901L)
        printf("We are using C99!\n");
  #else
    printf("We are using C90!\n");
  #endif
    
    return 0;
}