(Q3-3) Covid vaccine in C

#include <stdio.h>

int main()
{
    int n;

        printf("How many people to vaccinate today?(atmost 300 individuals possible)\nInput: ");
        scanf("%d", &n);
        printf("\n");
    while(n<0||n>300);

    int x;
    int arr[5]={0};
    char c='"';
    printf("Enter 1 for %cPfizer%c\nEnter 2 for %cModerna%c\nEnter 3 for %cAstraZenecca%c\nEnter 4 for %cSino pharm%c\nEnter 5 for %cSputnik V%c\n", c,c,c,c,c,c,c,c,c,c);
    printf("\n\n");
    for(int i=0;i<n;i++)
    {

        printf("Individual %d: ", i+1);
        label:
        scanf("%d", &x);

        if(x==1)
            arr[0]++;
        else if(x==2)
            arr[1]++;
        else if(x==3)
            arr[2]++;
        else if(x==4)
            arr[3]++;
        else if(x==5)
            arr[4]++;
        else
            {
                printf("Invalid input, Please enter again: ");
                goto label;
            }
        }
        printf("\n\n\n");

    printf("The total number of vaccines given-\n\n");
    printf("Pfizer: %d\n", arr[0]);
    printf("Moderna: %d\n", arr[1]);
    printf("AstraZenecca: %d\n", arr[2]);
    printf("Sino pharm: %d\n", arr[3]);
    printf("Sputnik V: %d\n", arr[4]);

    return 0;
}