#include <stdio.h>


int main(int argc, const char **argv) {
    int us = 2501;
    printf("This is a test\n");
    printf("☺ ç ④ 12357901250-1`159021");
    printf("This is another test\n");
    printf(argv[0]);
    printf("%d\n", us);
    printf("%x\n", us);
    printf("%X\n", us);
    printf("%o\n", us);
    printf("%e\n", (double)us);
    printf("We are in class %+012.2e (%a)\n", (double)us, (double)us);
}