#include<cstdio>

#include<stdlib.h>

char C='*';

int qiushu(int hang){//输入行数，求出字符数

    int sum=1;

    for(int i=3;i<=hang;i+=2){

        sum+=(1+i/2*2)*2;

    }

    return sum;

}

void dayin(int hang){

    for(int i=0;i<hang/2+1;i++){

        for(int j=0;j<i;j++){

            printf(" ");

        }

        for(int k=0;k<(1+(hang/2-i)*2);k++){

            printf("%c",C);

        }

        printf("\n");

    }

    for(int i=0;i<hang/2;i++){

        for(int j=0;j<hang/2-i-1;j++){

            printf(" ");

        }

        for(int k=0;k<((i+1)*2+1);k++){

            printf("%c",C);

        }

        printf("\n");

    }

}

int main(){

    int N;

    int hang=1;

    scanf("%d %c",&N,&C);//输入总数和字符

    while(!(qiushu(hang)<=N&&qiushu(hang+2)>N)){

        hang+=2;

    }//i是要打印的行号

    dayin(hang);

    printf("%d",N-qiushu(hang));

    return 0;

}