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#include <stdio.h>
#include <stdint.h>
// typedef uint32_t SF;
// const int ush=24,ssh=31;
typedef uint16_t SF;
const int ush=11,ssh=15;
SF mul(SF a,SF b){
SF sg=1;
if(a>=(1<<ssh)){a=-a; sg*=-1;}
if(b>=(1<<ssh)){b=-b; sg*=-1;}
return sg*(SF)(((uint64_t)a*(uint64_t)b)>>ush);
}
SF mk(int i){
return i<<ush;
}
float flt(SF a){
float sg=1;
if(a>=(1<<ssh)){a=-a; sg*=-1;}
return (float)a/(float)(1<<ush)*sg;
}
int main(void){
const SF L=mk(-2),R=mk(1);
const SF T=mk(1),B=-(mk(1));
for(SF y=T;y!=B-(mk(1)>>4);y-=mk(1)>>4){
for(SF x=L;x!=R;x+=mk(1)>>5){
int n=0;
SF a=x,b=y,a2=mul(a,a),b2=mul(b,b);
while(n<26&&a2+b2<mk(4)){
b=mul(mk(2),mul(a,b))+y;
a=a2-b2+x;
a2=mul(a,a);
b2=mul(b,b);
n++;
}
if(n==26)putchar(' ');
else putchar('A'+n);
}
putchar('\n');
}
}
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