Read in C

int main() {
    double input1, input2;
    while (true) {
        printf("Input two numbers between 0 and 127.\n");
        printf("Input 1:");
        scanf(%f, input1);
        printf("\nInput 2:");
        scanf(%f, input2);

        if (input1 >= 0 && input1 <= 127 &&
            input2 >0 && input2 <= 127)
            break;
        else
            printf("Your input values are invalid. Try again.\n\n");
    }

    // STUFF

    return 0;
}