#include <ctype.h>
#include <stdio.h>
#include <string.h>
 
int main(void) {
    char buf[999];
    while (fgets(buf, sizeof buf, stdin)) { // read a string rather than scanf an integer
        buf[strcspn(buf, "\n")] = 0; // remove trailing newline
        char *p = buf;
        int invalidflag = (*p == 0);
        unsigned sum = 0;
        unsigned product = 1;
        while (*p) {
            if (isdigit((unsigned char)*p)) {
                sum += *p - '0';
                product *= *p - '0';
            } else {
                invalidflag = 1;
                break;
            }
            p++;
        }
        if (invalidflag) {
            printf("input = \"%s\" ==> INVALID INPUT\n", buf);
        } else {
            printf("input = \"%s\"; sum = %d; product = %d\n", buf, sum, product);
        }
    }
    return 0;
}

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f6o7o8b9a0r
2019

42
3.14
foobar
-17