#include <stdio.h>
#define MAX 100
 
int main() {
    int a[MAX];       
    int n;           
    int i;            
    int target;      
    int min_diff;    
    int index = 0;  
 
    scanf("%d", &n);
 
    for (i = 0; i < n; i++) {
        scanf("%d", &a[i]);
    }
 
    scanf("%d", &target);
 
    min_diff = abs(a[0] - target);
 
    for (i = 1; i < n; i++) {
        int diff = abs(a[i] - target);
        if (diff < min_diff) {
            min_diff = diff;
            index = i;
        }
    }
 
    printf("%d番目の値がもっとも近い\n", index + 1);
 
    return 0;
}
 

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10
120 220 90 450 50 73 96 83 25 18
300