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#include <stdio.h>
#include <string.h>

#define QWORD unsigned long long
#define DWORD unsigned long
#define WORD  unsigned short
#define BYTE  char

void s_conv_byte(char *p,QWORD n){
    int m,i=7;
    while(i--)p+=(m=(n>>10*i)&1023)|!i&!n?sprintf(p,"%d%c",m,"BKMGTPE"[i]):i?0:sprintf(p,"B");
}


void conv_byte(QWORD n){
    int m,i=7;
    while(i--)(m=(n>>10*i)&1023)|!i&!n?printf("%d%c",m,"BKMGTPE"[i]):i?0:printf("B");
}

void s_conv_put(char *buf,QWORD n){
    s_conv_byte(buf,n);
    printf("%Ld=%s\n",n,buf);    
}

void conv_put(char *buf,QWORD n){
    printf("%Ld=",n,buf);    
    conv_byte(n);
    printf("\n");
}

int main(){
    char buf[64];
    
    conv_put(buf,(QWORD)-1);
    conv_put(buf,(DWORD)-1);
    conv_put(buf,(WORD)-1);
    conv_put(buf,(BYTE)-1);
    conv_put(buf,0);

    conv_put(buf,(QWORD)1024*1024*1024*1024*1024*1024);
    conv_put(buf,(QWORD)1024*1024*1024*1024*1024);
    conv_put(buf,(QWORD)1024*1024*1024*1024);
    conv_put(buf,(QWORD)1024*1024*1024);
    conv_put(buf,(QWORD)1024*1024);
    conv_put(buf,(QWORD)1024);
    conv_put(buf,(QWORD)1);

    return 0;
}