#include <stdio.h>
#include <stdlib.h>

int main()
{
    float nota1, nota2,  calc  ;
    char op;

    printf("Digite a opção A ou P : ");
    scanf("%c", &op);
    printf("Digite as notas: \n");
    scanf("%f %f", &nota1, &nota2 );

    calc = media (nota1, nota2, op);

    printf("Media= %f", calc);

    return 0;
}

    float media(float n1, float n2, char op) {
    if (op == 'A') {
        return (n1 + n2 ) / 2;
    } else if (op == 'P') {
        return ( n1*2 + n2*3) / 5;
    }
}