// Arup Guha
// 9/21/2011
// Written in COP 3223H - an illustration of continue.
#include <stdio.h>

int main() {

    printf("Enter 10 test scores (0-100).\n");

    int numscores = 0, sum = 0, score;

    // Wait for 10 valid scores.
    while (numscores < 10) {

        // Read in this score.
        scanf("%d", &score);

        // Filter it out, if necessary.
        if (score < 0 || score > 100)
            continue;

        // Score is valid, process it.
        numscores++;
        sum += score;
    }

    // Print out the average.
    printf("average = %.2lf\n", sum/10.0);

    return 0;
}