Найти количество четных чисел первой последовательности и количество нечетных чисел второй - C (СИ)

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#define UPPER 10
 
int main ( void )
{
    unsigned short firstSequence [UPPER], firstSequenceAmount = 0;
    unsigned short secondSequence [UPPER], secondSequenceAmount = 0;
    unsigned char counter;
 
    srand( time (NULL));
 
    for ( counter = 0; counter < UPPER; ++counter) {
        firstSequence[counter] = rand () % 100;
        printf( "%8hu", firstSequence[counter]);
        secondSequence[counter] = rand () % 100;
        printf( "%28hu\n", secondSequence[counter]);
    }
 
    for ( counter = 0; counter < UPPER; ++counter) {
        if ( firstSequence[counter] % 2 == 0 )
            ++firstSequenceAmount;
        if ( secondSequence[counter] % 2 != 0)
            ++secondSequenceAmount;
    }
    printf( "%5s%30s\n", "first sequence", "second sequence" ); 
    printf( "\n%8hu%27hu\n", firstSequenceAmount, secondSequenceAmount);
    return 0;
}